Home / 12,664.86-17,476.00-6,999.27

Finding the Fourth Proportional to 12,664.86, 17,476.00 and 6,999.27

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Solution

The fourth proportional to 12,664.86, 17,476.00 and 6,999.27 is: 9,658.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,664.86 : 17,476.00 = 6,999.27 : x
  2. Step 2: Convert to fraction form
    12,664.86/17,476.00 = 6,999.27/x
  3. Step 3: Cross multiply
    12,664.86x = 17,476.00 × 6,999.27
  4. Step 4: Simplify right side
    12,664.86x = 122,319,225.02
  5. Step 5: Solve for x
    x = 122,319,225.02/12,664.86
  6. Step 6: Final answer
    x = 9,658.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.